Traveling from El Ksar El Kebir to El Aioun is best serviced by the ONCF trains, which are known for their reliability. The primary train service operating on this route is the Intercity service, which usually offers comfortable seating in both 1st and 2nd class. The average speed for the Intercity trains is around 80 km/h (50 mph), and the journey typically takes approximately 4 to 5 hours, depending on the specific service and any scheduled stops along the way.
While the Intercity service is not classified as a high-speed train in the sense of operating at speeds above 300 km/h, it effectively connects these two cities with adequate facilities for passengers. The train usually departs from El Ksar El Kebir in the morning and mid-afternoon, providing a good balance for day travel. Onboard, travelers can expect basic amenities such as restrooms and food service, ensuring a pleasant trip.